-> Bob the Builder Makro
// Choose the "Wall" [F1]
// Place a "Wall" [mouse1]
// turn 90° to the right [Mouse movement]
// Place a "Wall" [mouse1]
// turn 90° to the right [Mouse movement]
// Place a "Wall" [mouse1]
// turn 90° to the right [Mouse movement] (Back to Start position)
// watch on the floor or to the feets [Mouse movement]
// Choose the "Stairs" [F3]
// Place a "Stair" [mouse1]
// Jump (still watching on floor)
// Choose the "floor"
//jump
// Place a "floor" [mouse1]

with a decent delay between each action and be sure to max the delay that the wall placement happens after the full 90° turn